Person A can complete the job in 10 days, Person B can complete the job in20 days. If both together work then in how many days they will finish d work ?

bibzj

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• Feb 5th, 2011

13 days 8 hours

Prabhu Masilamani

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• Jan 27th, 2011

15 days

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anonymous

• Aug 10th, 2015

( ((num/10)*30)+((num%10)*3)+3 )

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